Step-by-step explanation:
6x-7
= 6×2-7
=12-7
=5
b) 3x
=3×2
=6
Answer:
1.
Step-by-step explanation:
When x is 0, the point will lie on the x-axis, so we need to find how many times this happens.
There's only 1 0, so the answer is 1.
Answer:
0.234
Step-by-step explanation:
Step-by-step explanation:
1 mole of any substance = 6.022 * 10²³ molecules.
Number of moles of CO2
= (4.5 * 10¹⁶)/(6.022 * 10²³)
= 0.75 * 10^(-7)
= 7.5 * 10^(-8) mol.
